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3. Global Supply and Demand The global market for propargyl alcohol is influenced by demand from various sectors, including pharmaceuticals where it is used as an intermediate in the synthesis of active pharmaceutical ingredients, and in the production of adhesives and coatings. A surge in demand from any of these sectors can lead to price increases, especially if supply does not keep pace. Conversely, any economic downturn can decrease demand, leading to lower prices as manufacturers seek to offload excess inventory.
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The antimicrobial activity of sorbic acid and its salts is attributed to their undissociated acid molecule. And therefore their efficacy is pH-dependent. The upper limit for its inhibitory activity is at 6.5 in most applications. The lower the pH, the better as a result of more undissociated sorbic acid. However, this upper limit can be raised in low water activity-solutions.
Citric acid is also used as a chelating agent in food processing. It binds to metal ions, which can cause oxidation and affect flavor and color. By binding these metals, citric acid helps maintain the stability and quality of food products, preserving their appearance and taste. This property is especially useful in products like canned vegetables and fruits, where maintaining color is vital for consumer appeal.
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